Hellow! is real time chat application using standard XMPP protocols. it also comes with friend system. yes you can send request , reject, block at the same time.
Demo: https://codecanyon.net/item/real-time-chat-social-system-web-interface-/10716754
http://hfiles.ro/download/realtimechat_101.rar/1527078
http://www.mirrorcreator.com/files/LU3MGTV9/realtimechat-101.rar_links
http://ul.to/eb0gufm9
http://www119.zippyshare.com/v/BuMuFitg/file.html
https://www.solidfiles.com/v/62aALr5LGmWmW
https://userscloud.com/rn7gz0zyq2vr
http://www.megamirror.net/4zum4d7as201
https://www.sendspace.com/file/m2di6t
http://www.mediafire.com/download/951smcxfjmq37p2/realtimechat-101.rar
This file has UNTOUCHED status – (original developer code without any tampering done)